OpenTechnical

OT-2026-000049324

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000049324) never changes.

Identity and time

Publication numberOT-2026-000049324 · never reused
Internal UUID01a0ae81-1350-7333-abdc-02ac40ac55ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049324
StatusPUBLIC

Content hashes

Canonical text019f37aea5cbf96880c7ee3bd571069213b337b876b44938f418a08c7cc2ff47
Markdown9e0cb6337920498c26fd9c0192b641b5a0e3bf4505574f02c05d98fcf4d4fa42
PDF
Publication pagef1f03378c9460085ba506e68b33651ffc3d41aa5a9d23e2d25f739d62d0be0a7
Manifest53415590a60c0db644cab980441af4efdb449da3ebe1c434942c20658f77af8e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7YzwmvtKoNMsr2fQGFiGt1UeTgeXubZ4mlsGRIL+pJK0bpaT2TlxJxlnlj2O7JdMxT37SiAoC4zCb7wBGA7xAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:11.905865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049324
observed f1f03378c9460085ba506e68b33651ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.884011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049324/manifest.json
observed 53415590a60c0db644cab980441af4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.863549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049324/publication.md
observed 9e0cb6337920498c26fd9c0192b641b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.844398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049324/publication.txt
observed 019f37aea5cbf96880c7ee3bd5710692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.